Career
Later in life he moved to Seattle, where he established the Seattle Transfer Company. Armstrong was also an avid horse breeder. Armstrong"s ranch was Doncaster Ranch, near Twin Bridges,, which includes the Doncaster Round Barn.
Built in 1882, it is a structure listed on the National Register of Historic Places and the birthplace of Spokane in 1886.
Armstrong was born on January 18, 1823 in Kingston, Canada. He moved to Blue Earth County, Minnesota before moving to in late 1862 or early 1863.
Hecla Consolidated Mining Company
Between 1873 and 1877, Armstrong had entered into two partnerships, Armstrong, Atkins & Company and the Armstrong, Dahler & Company In 1877, with the growing demand for finances to expand operations at Glendale, Armstrong went back to Indianapolis and consolidated these two smaller enterprises into one company which he called "The Hecla Consolidated Mining Company." The Glendale smelter produced about one million ounces of silver, and thousands of tons of lead and copper annually until it burned down in July, 1879, at a reported loss of $100,000.
Doncaster Ranch
In 1882, Armstrong built a ranch for $5,000 he would call "Doncaster Ranch."
= Doncaster Round Barn Armstrong built the Doncaster Round Barn.
A three-story, wood framed round barn resembling a wedding cake. lieutenant is on the National Register of Historic Places. 1889 Kentucky Derby.
